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Covellite
Covellite
☒

Grandidierite
Grandidierite
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Covellite
X
Grandidierite

Covellite and Grandidierite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
Flexible
-
-
4.6-4.76
-
Perfect on {0001}
-9999
CuSMichael O’Donoghue , Gems, Sixth edition (2006) More from other references
 
-
-
-
2.85-3.00
Uneven
Perfect
7.5
(Mg,Fe)Al 3(BO 4)(SiO 4)OUlrich Henn and Claudio C.

Covellite and Grandidierite Chemical Formula

While comparing Covellite and Grandidierite physical properties, the important data you should know is its chemical composition. Since chemical formula defines the molecular structure of the crystal, most of the physical properties like color, tenacity, solubility are governed by Covellite and Grandidierite chemical formula.

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Covellite and Grandidierite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Covellite and Grandidierite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Covellite Vs Grandidierite during the identification of gemstone. Specific gravity of Covellite is whereas that of Grandidierite is .